Heh, I did everything the same as you except helping the girl before the guy get on the train at the end there. She still gives you hell for it.
Women, can't save 'em from the walking dead can't not save 'em. I was glad to hear what MC said, it's no use keeping Lilly around she takes off anyway. And like Rauno said you know she'll be back. Would be funny if one of the characters ended up on the TV show and they made the video game character look like the actor they were going to use ahead of time on purpose.